Place

Packet ID	Direction
0x0F	Serverbound

Serverbound

Sent to the server when the player attempts to place a block or item

Field	Type	Description
X	Integer	The X position of the block
Y	Byte	The Y position of the block
Z	Integer	The Z position of the block
Face	Byte	The face of the block that’s being placed against
Block/Item ID	Short	The block or item to be placed
(Amount)	Byte	The amount of the item in the players hand
(Damage)	Short	The Metadata of the item

The face can be one of six values, representing the face being hit.

Value	0	1	2	3	4	5
Face	-Y	+Y	-Z	+Z	-X	+X

Example Packet

Serverbound

Field	Value
X	-6231
Y	53
Z	563
Face	3
Block/Item ID	3 (Dirt)
(Amount)	64
(Damage)	0